Crossbar tandem office for step-bystep telephone areas



April '22, 1952 w. T. HAINES ETAL 2,594,014

CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS Filed May 6, 1949 26 Sheets-Sheet 2 POLARIZED SELECYUR LINE FINDER W7. HA/NES lNl/ENTORS J B. NEWSOM ATTORNEY F IG. 2

26 Sheets-Sheet 5 (1' HAINES J B. NEWSOM #4.. Z

Apnl 22, 1952 w. T. HAlNES ETAL CROSSBAR TANDEM OFFICE FOR STEP-BYPSTEP TELEPHONE AREAS Filed May 6, 1949 ATTORNEY April 22, 1952 w. T. HAINES ETAL CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS Filed May 6, 1949 26 Sheets-Sheet 4 emv J v, 5B. R

w wt ATTORNEY April 22, 1952 w. 'r. HAINES EI'AL CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS 26 Sheets-Sheet 5 Filed May 6, 1949 ATTORNEV April 1952 w. T. HAlNES ETAL 2,594,014

CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS Filed May 6, 1949 26 Sheets-Sheet 6 FIG. 6

ATTORNEY April 22, 1952 w. T. HAINES ETAL CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS 26 Shee-cs-Sheet 7 Filed May 6, 1949 ATTORNEY CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS 26 Sheets-Sheet 8 Filed May 6, 1949 W 7. HA/NES JB. NEWSOM ATTORNEY A ril 22, 1952 w. 1-. HAINES ETAL 2,594,014

CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS Filed May 6, 1949 26 Sheets-Sheet 9 W2 HAINES ymc. 2.

FIG. 9

ATTORNEY April 22, 1952 w. 'r. HAINES ET AL CROSSBAR TANDEM OFFICE FOR STEP-BYSTEP TELEPHONE AREAS 26 Sheets-Sheet 10 Filed May 6, 1949 WZ'HA/NES MENTOR; J5. NEWSOM a own awn n2. w}.

ATTORNEY A ril 22, 1952 w. T. HAINES ETAL 2,594,014

CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS Filed May 6, 1949 26 Sheets-Sheet 11 wr HA/NES MENTOR; JBNEWSOM ATIDRNEY FIG.

W. T. HAINES ETAL April 22, 1952 CROSSBAR TANDEM OFFICE FOR STEP-BY -STEP TELEPHONE AREAS '26 Sheets-Sheet 12 Filed May 6, 1949 WZHA/NES wvavrogi J a NEWSO f4. lei- 1 23 mos ATTORNEY April 22, 1952 w. T. HAINES ETAL CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS '26 Sheets-Sheet 13 Filed May 6, 1949 477ORNEV April 22, 1952 w. "r. HAINES ETAL 2,594,014

CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS Filed May 6, 1949 26 Sheets-Sheet 14 W Z HAM/E5 ATTORNEY April 22, 1952 w. T. HAINES ET AL 2,594,014

CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS Filed May 6, 1949 26 Sheets-Sheet 15 W 7. HAINES lNl/ENTORS J a NEWSOM A TTORNEJ A ril 22, 1952 w. T. HAINES ETAL 2,594,014

CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS Filed May 6, 1949 26 Sheets-Sheet 16 w .r HA/NES lNVENTORS J a NEWS-OM A TTOR/V'EV A ril 22, 1952 w. T. HAINES ETAL 2,594,014

CROSS BAR TANDEM OFFICE FOR STEP-BWSTEP TELEPHONE AREAS Filed May 6, 1949 26 Sheets-Sheefi l7 WZ'HA/NES MEMO J B. NEWSOM A T TORNEV FIG. /7

April 22, 1952 w. T. HAINES ET AL CROSSBAR TANDEM OFFICE F OR STEP-BY-STEP TELEPHONE AREAS Filed May 6, '1949 26 Sheets-Sheet l8 QR] RN) 33 B385 .34 E mvfi m Fm? T QRT ns 3S A Bi n wk KRT m 6) E JP wmN\ b F Ln] m. MES m I W 11 4 new\ W4 NBS W wq M u N1 B2 H H L N U W 5M E Wm M A 6 E M w we J V V, W B M W W .3 6D.

ATTORNEY April 22, 1952 w. T. HAINES ET AL 2,594,014

CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS Filed May 6, 1949 26 Shee ts-Sheet 19 W 7. HAINES INVENTORS J B NEWSOM ATTORNEY FIG. /9

April 1952 w. T. HAINES ET AL 2,594,014

CROSSBAR TANDEM OFFICE FOR STEP-BY-STEP TELEPHONE AREAS Filed May 6, 1949 26 Sheets-Sheet 2O HA/NES J. B. NEWSQM 8y bl E 7 ATTORNEY //Vl E N TORS 

